She Would Never Know Season 1 Episode 1

Yoon Song Ah and Chae Hyun Seung works together as a marketer for a cosmetic brand. Hyun Seung is interested in Song Ah but she is dating one of the managers there, Jae Shin secretly for two years. Hyun Seung has 2 sisters, one of the sisters own bridal shop. One day during Hyun Seung’s birthday dinner, he followed Song Ah and saw her with Jae Shin.